1-(4-Cyclopentylphenyl)-4-(4-hydroxy-4-phenyl-1-piperidinyl)-1-butanone hydrochloride hydrate 1-Butanone, 1-(4-cyclopentylphenyl)-4-(4-hydroxy-4-phenyl-1-piperidinyl)-, hydrochloride, hydrate 112446-90-9 Butyrophenone, 4'-cyclopentyl-4-(4-hydroxy-4-phenylpiperidino)-, hydrochloride, hydrate